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(C) The rapid rise in the human population during the present century is primarily attributed to advancements in medical science and public health inf

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Decrease in infantile mortality

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(C) The rapid rise in the human population during the present century is primarily attributed to advancements in medical science and public health infrastructure.Specifically,the significant decrease in infantile mortality (infant death rate) and maternal mortality,combined with an increase in overall life expectancy due to better control of infectious diseases and improved nutrition,has led to a population explosion.While birth rates have fluctuated,the drastic reduction in the number of deaths,especially among infants and children,has resulted in a larger proportion of the population surviving to reproductive age,thereby accelerating population growth.

Which one of the following factors has contributed most to the rapid rise of the human population in the present century?

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